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Ethical aspects of cloning techniques
... used for experimental and other scientific purposes, Having regard to the Council Directive 90/220/EEC, regarding the deliberate release into the environment of Genetically Modified Organisms, Having regard to the Council and European Parliament decision n° 1110/94/EC of 26 April 1994 adopting the 4 ...
... used for experimental and other scientific purposes, Having regard to the Council Directive 90/220/EEC, regarding the deliberate release into the environment of Genetically Modified Organisms, Having regard to the Council and European Parliament decision n° 1110/94/EC of 26 April 1994 adopting the 4 ...
Unit 5 Animals
... it receives nourishment. Shortly after this it constricts or pinches off from the parent and begins its own independent life. The asexual budding process produces new hydras that are genetically identical to the parent hydra. Hydras have the curious ability to regenerate lost or damaged tentacles wh ...
... it receives nourishment. Shortly after this it constricts or pinches off from the parent and begins its own independent life. The asexual budding process produces new hydras that are genetically identical to the parent hydra. Hydras have the curious ability to regenerate lost or damaged tentacles wh ...
deviancetonormal - Electronic Journal of Human Sexuality
... forth questions, few studies have considered context and or power in relation to women’s sexual aggression and much more research is needed in this area. In one study that did, Craig Shea (1998) concluded that women who admitted their desire for power in relationships and believed that forcing sex w ...
... forth questions, few studies have considered context and or power in relation to women’s sexual aggression and much more research is needed in this area. In one study that did, Craig Shea (1998) concluded that women who admitted their desire for power in relationships and believed that forcing sex w ...
“how-to guide” sexual health check-up
... the same questions, they may seem intrusive but I’m just trying to find out risks and what tests you may need.” It may not be possible to take a full sexual history at the initial presentation, especially if this was not the primary reason for the visit. The most relevant information is whether the ...
... the same questions, they may seem intrusive but I’m just trying to find out risks and what tests you may need.” It may not be possible to take a full sexual history at the initial presentation, especially if this was not the primary reason for the visit. The most relevant information is whether the ...
reptile notes - Warren County Schools
... • The reptile brain is similar to that of other vertebrates, although larger than the amphibian brain. • This increase in size is associated with improved sense of smell. • The optic lobes and cerebellum are also larger, which indicates increase reliance on vision and more coordinated muscle ...
... • The reptile brain is similar to that of other vertebrates, although larger than the amphibian brain. • This increase in size is associated with improved sense of smell. • The optic lobes and cerebellum are also larger, which indicates increase reliance on vision and more coordinated muscle ...
substance use and sexual dysfunction
... Alcohol: Alcohol is commonly believed to be a powerful sexual facilitator and aphrodisiac due to its disinhibiting properties.4Alcohol abuse is the leading cause of impotence and other disturbances in sexual dysfunction.5Alcohol is disinhibiting, and even in small doses it may lead to increased sexu ...
... Alcohol: Alcohol is commonly believed to be a powerful sexual facilitator and aphrodisiac due to its disinhibiting properties.4Alcohol abuse is the leading cause of impotence and other disturbances in sexual dysfunction.5Alcohol is disinhibiting, and even in small doses it may lead to increased sexu ...
Reptile Notes Parts 1 and 2
... • The reptile brain is similar to that of other vertebrates, although larger than the amphibian brain. • This increase in size is associated with improved sense of smell. • The optic lobes and cerebellum are also larger, which indicates increase reliance on vision and more coordinated muscle functio ...
... • The reptile brain is similar to that of other vertebrates, although larger than the amphibian brain. • This increase in size is associated with improved sense of smell. • The optic lobes and cerebellum are also larger, which indicates increase reliance on vision and more coordinated muscle functio ...
2 distinction of sexual appeals in ads
... Recognition and recall of the ad is one thing; another, and more important, is the recognition and recall of the advertised product or brand. Earlier studies give reason to believe that using sexual appeals has little influence on the recognition of the brand name (Chestnut et al., 1977; Severn et a ...
... Recognition and recall of the ad is one thing; another, and more important, is the recognition and recall of the advertised product or brand. Earlier studies give reason to believe that using sexual appeals has little influence on the recognition of the brand name (Chestnut et al., 1977; Severn et a ...
Monday – May 19, 2014 - B Topic: Human Systems Standards: MST
... pigment. However, in the winter, the arctic fox appears white because the dark pigment is not produced. The color change is most likely due to the effect of (1) different genes produced in the different seasons (2) increased pollution on genetic mutations (3) environmental conditions on gene express ...
... pigment. However, in the winter, the arctic fox appears white because the dark pigment is not produced. The color change is most likely due to the effect of (1) different genes produced in the different seasons (2) increased pollution on genetic mutations (3) environmental conditions on gene express ...
- Faculty of Education
... proper concern of the school leader. However, an encounter between two teachers at lunchtime could be viewed as purely personal and nothing to do with the headteacher. Alternatively, the head might take the view that anything that happens on school premises, whatever the time of day, is his/her legi ...
... proper concern of the school leader. However, an encounter between two teachers at lunchtime could be viewed as purely personal and nothing to do with the headteacher. Alternatively, the head might take the view that anything that happens on school premises, whatever the time of day, is his/her legi ...
The mitonuclear compatibility hypothesis of sexual selection
... coloration of a cardinal evolve? Biologists now accept that the primary force for the evolution of many such display traits in male animals is the benefit of mate attraction [1–3]. There remains, however, the bigger question that has eluded solution for more than a century: why do females pay attent ...
... coloration of a cardinal evolve? Biologists now accept that the primary force for the evolution of many such display traits in male animals is the benefit of mate attraction [1–3]. There remains, however, the bigger question that has eluded solution for more than a century: why do females pay attent ...
as a PDF
... for understanding or predicting communication patterns in couples with an anorgasmic female partner. The present study offers a beginning to the development of such a model by describing some of the dyadic features likely to be important in communication as it relates to sexual function or dysfuncti ...
... for understanding or predicting communication patterns in couples with an anorgasmic female partner. The present study offers a beginning to the development of such a model by describing some of the dyadic features likely to be important in communication as it relates to sexual function or dysfuncti ...
Molluscs
... § Sensory cells that assist with balance § May function as “ears” for some Adapted in various ways § Locomotion in gastropods § Tentacles in cephalopods § Burrowing in bivalves ...
... § Sensory cells that assist with balance § May function as “ears” for some Adapted in various ways § Locomotion in gastropods § Tentacles in cephalopods § Burrowing in bivalves ...
DOT-MARAD sexual assault response strategy
... personal behavior aboard ship under the American flag. There is no compelling, conclusive proof that sexual predators lurk in large number in the commercial U.S. merchant fleet. One principal fact of life at sea in the U.S. merchant fleet in all trades is that, unlike people with jobs ashore, Americ ...
... personal behavior aboard ship under the American flag. There is no compelling, conclusive proof that sexual predators lurk in large number in the commercial U.S. merchant fleet. One principal fact of life at sea in the U.S. merchant fleet in all trades is that, unlike people with jobs ashore, Americ ...
1 Chapter 8 Communicating About Sex
... Ages 9-13 – What to expect in puberty; sexual feelings are normal; children are not ready for sexual relationships; sex is not just for reproduction; physical appearance does not determine a person’s value; recognizing sexual abuse; encouragement to talk with parents about sexuality even when opinio ...
... Ages 9-13 – What to expect in puberty; sexual feelings are normal; children are not ready for sexual relationships; sex is not just for reproduction; physical appearance does not determine a person’s value; recognizing sexual abuse; encouragement to talk with parents about sexuality even when opinio ...
Bio Keystone Review
... A. Relationship between organisms’ structure and function B. Beneficial inherited trait that is passed to future generation C. Change in the genetic makeup of a population over time D. Change in biodiversity across Earth’s surface _______ 8. The variety of life across the biosphere is called A. biod ...
... A. Relationship between organisms’ structure and function B. Beneficial inherited trait that is passed to future generation C. Change in the genetic makeup of a population over time D. Change in biodiversity across Earth’s surface _______ 8. The variety of life across the biosphere is called A. biod ...
BIOL 1407 Review Sheet Ch
... heterokaryotic phase. Heterokaryotic hyphae have different nuclei for different hyphae that have fused through plasmogamy. Dikaryotic cells have two genetically distinct haploid nuclei. 8) Because fungi have meiosis and fertilization, they are sexually reproducing organisms. Since there is no egg or ...
... heterokaryotic phase. Heterokaryotic hyphae have different nuclei for different hyphae that have fused through plasmogamy. Dikaryotic cells have two genetically distinct haploid nuclei. 8) Because fungi have meiosis and fertilization, they are sexually reproducing organisms. Since there is no egg or ...
698 702 704 commentary - College of Biological Sciences
... behavior: cooperative games to replace sexual selection” (17 Feb., p. 965), J. Roughgarden et al. propose what superficially appears to be a radically novel explanation for reproductive social behavior. They argue (i) that sexual selection, which has been a cornerstone of the evolutionary explanatio ...
... behavior: cooperative games to replace sexual selection” (17 Feb., p. 965), J. Roughgarden et al. propose what superficially appears to be a radically novel explanation for reproductive social behavior. They argue (i) that sexual selection, which has been a cornerstone of the evolutionary explanatio ...
Dragonfl ies and Damselfl ies
... hybridization, or, in other words, the reinforcement process. The theory of reinforcement states that when hybridization is maladaptive, selection pressure causes a divergence in female mate preference and/or in male secondary sexual characters. It is often assumed that, ultimately, females are resp ...
... hybridization, or, in other words, the reinforcement process. The theory of reinforcement states that when hybridization is maladaptive, selection pressure causes a divergence in female mate preference and/or in male secondary sexual characters. It is often assumed that, ultimately, females are resp ...
Reprint
... behavior: cooperative games to replace sexual selection” (17 Feb., p. 965), J. Roughgarden et al. propose what superficially appears to be a radically novel explanation for reproductive social behavior. They argue (i) that sexual selection, which has been a cornerstone of the evolutionary explanatio ...
... behavior: cooperative games to replace sexual selection” (17 Feb., p. 965), J. Roughgarden et al. propose what superficially appears to be a radically novel explanation for reproductive social behavior. They argue (i) that sexual selection, which has been a cornerstone of the evolutionary explanatio ...
Adaptations to sexual selection and sexual conflict
... lead to significant divergence in both pre- and post-mating traits. The types of studies described above have also been useful in testing the important prediction that elevated sexual conflict can lead to antagonistic coevolution (e.g. Parker 1979; Holland & Rice 1998), which in turn can promote rep ...
... lead to significant divergence in both pre- and post-mating traits. The types of studies described above have also been useful in testing the important prediction that elevated sexual conflict can lead to antagonistic coevolution (e.g. Parker 1979; Holland & Rice 1998), which in turn can promote rep ...
Treatment of fetishism with naltrexone: A case report
... the option of antiandrogens, but was willing to continue naltrexone. Patient attended monthly follow up consultations since then and on oral naltrexone 50 mg/day for last 11 months he reported no urge to carry out fetish behavior and had been abstinent both from alcohol and cannabis. No side effect ...
... the option of antiandrogens, but was willing to continue naltrexone. Patient attended monthly follow up consultations since then and on oral naltrexone 50 mg/day for last 11 months he reported no urge to carry out fetish behavior and had been abstinent both from alcohol and cannabis. No side effect ...
Coevolution of male courtship and sexual conflict
... Sexually antagonistic selection has profound impacts on diverse aspects of mating systems, including reproductive behavior and sexual morphologies (Parker 1979; Gavrilets 2000; Wachtmeister and Enquist 2000). In the coevolution of males and females, advantages achieved by one sex generate selection ...
... Sexually antagonistic selection has profound impacts on diverse aspects of mating systems, including reproductive behavior and sexual morphologies (Parker 1979; Gavrilets 2000; Wachtmeister and Enquist 2000). In the coevolution of males and females, advantages achieved by one sex generate selection ...
Reprint
... The result of population crosses on traits such as mating rate, oviposition rate and survivorship are increasingly used to distinguish between modes of coevolution between the sexes. Two key hypotheses, erected from a verbal theory of sexually antagonistic coevolution, have been the subject of sever ...
... The result of population crosses on traits such as mating rate, oviposition rate and survivorship are increasingly used to distinguish between modes of coevolution between the sexes. Two key hypotheses, erected from a verbal theory of sexually antagonistic coevolution, have been the subject of sever ...
Sexual reproduction
Sexual reproduction is a form of reproduction where two morphologically distinct types of specialized reproductive cells called gametes fuse together, involving a female's large ovum (or egg) and a male's smaller sperm. Each gamete contains half the number of chromosomes of normal cells. They are created by a specialized type of cell division, which only occurs in eukaryotic cells, known as meiosis. The two gametes fuse during fertilization to produce DNA replication and the creation of a single-celled zygote which includes genetic material from both gametes. In a process called genetic recombination, genetic material (DNA) joins up so that homologous chromosome sequences are aligned with each other, and this is followed by exchange of genetic information. Two rounds of cell division then produce four daughter cells with half the number of chromosomes from each original parent cell, and the same number of chromosomes as both parents, though self-fertilization can occur. For instance, in human reproduction each human cell contains 46 chromosomes, 23 pairs, except gamete cells, which only contain 23 chromosomes, so the child will have 23 chromosomes from each parent genetically recombined into 23 pairs. Cell division initiates the development of a new individual organism in multicellular organisms, including animals and plants, for the vast majority of whom this is the primary method of reproduction. A species is defined as a taxonomic rank. A species is often defined as the largest group of organisms where two hybrids are capable of reproducing fertile offspring, typically using sexual reproduction, although the species problem encompasses a series of difficult related questions that often come up when biologists define the word species. The evolution of sexual reproduction is a major puzzle because asexual reproduction should be able to outcompete it as every young organism created can bear its own young. This implies that an asexual population has an intrinsic capacity to grow more rapidly with each generation. This 50% cost is a fitness disadvantage of sexual reproduction. The two-fold cost of sex includes this cost and the fact that any organism can only pass on 50% of its own genes to its offspring. One definite advantage of sexual reproduction is that it prevents the accumulation of genetic mutations.Sexual selection is a mode of natural selection in which some individuals out-reproduce others of a population because they are better at securing mates for sexual reproduction. It has been described as ""a powerful evolutionary force that does not exist in asexual populations""Prokaryotes reproduce through asexual reproduction but may display processes similar to sexual reproduction (mechanisms for lateral gene transfer such as bacterial conjugation, transformation and transduction), but they do not lead to reproduction. In prokaryotes, the initial cell has additional or transformed genetic material.